In Zeiss Lumera 300 surgical microscope (Fig 1), a single hand grip is provided for positioning the microscope whereas in all other models two hand grips are provided. The surgeons found it very hard to manoeuvre the microscopes which have single hand grip. They felt that if an additional hand grip is provided in the Lumera 300 as in the other microscopes, it will be easy to manoeuvre.
A steel bracket with a handle (Fig 2) was made and was screwed to the original hand grip as shown in Fig 3. After completion (Fig 4), it is found that manoeuvring the microscope has become very easy for the surgeons.

Biomedical Engineering Department
Aravind Eye Hospital, Madurai